1.
Which graph represents a function?
A.
B.
C.
D.
Hint
2.
If
f
(
x
) = 3
x
+ 5, find
f
(2).
A.
8
B.
10
C.
2
f
D.
11
Hint
3.
If
f
(
x
) = 2
x
- 2, find 2[
f
(3)].
A.
4
B.
10
C.
8
D.
2
Hint
4.
Find
if
f
(
x
) = -12
x
+
A.
1
B.
-8
C.
0
D.
-9
Hint
5.
Find
h
(3
a
) if
h
(
z
) =
z
2
- 9
z
– 10.
A.
-18
a
– 10
B.
-24
a
– 10
C.
9
a
2
- 27
a
– 10
D.
3
a
2
- 27
a
– 10
Hint